package com.guanganren.db.dao;

import java.util.List;

import com.guanganren.db.entity.User;

public interface UserDao {


	void add(User u) throws Exception;
	
	void update(User u) throws Exception;
	
	void delete(User u) throws Exception;
	
	User getById(String pk) throws Exception;
	
	List<User> getExistUser(String key,String value) throws Exception;
}
